	US 12,240,971 B2
	Thermoplastic resin composition, method of preparing the same, and molded article including the same
Seongkyun Kim, Daejeon (KR); Seo Hwa Kim, Daejeon (KR); Byoung Il Kang, Daejeon (KR); Sejin Han, Daejeon (KR); and Yeongmin Kim, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 17/640,870
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Aug. 17, 2021, PCT No. PCT/KR2021/010856 § 371(c)(1), (2) Date Mar. 7, 2022, PCT Pub. No. WO2022/080640, PCT Pub. Date Apr. 21, 2022.
Claims priority of application No. 10-2020-0132479 (KR), filed on Oct. 14, 2020.
Prior Publication US 2023/0151200 A1, May 18, 2023
Int. Cl. C08L 25/12 (2006.01); A01N 59/16 (2006.01); C08K 3/22 (2006.01); C08K 9/12 (2006.01)

CPC C08L 25/12 (2013.01) [A01N 59/16 (2013.01); C08K 3/22 (2013.01); C08K 9/12 (2013.01); C08K 2003/2296 (2013.01); C08K 2201/006 (2013.01); C08L 2205/03 (2013.01)]

14 Claims

1. A thermoplastic resin composition, comprising:

100 parts by weight of a base resin (A) comprising a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer (A-1) and an aromatic vinyl compound-vinyl cyanide compound copolymer (A-2);

0.1 to 32 parts by weight of a polymer (B) having a weight average molecular weight of greater than 500,000 g/mol and containing an unshared electron pair;

0.1 to 5 parts by weight of an inorganic antibacterial agent (C) comprising one or more carriers selected from the group consisting of phosphate glass, silica gel, calcium phosphate, and zirconium sodium phosphate; and

0.2 to 10 parts by weight of zinc oxide (D) having a BET surface area of 28 m²/g or more.